Finding the Fourth Proportional to 1,683,863.08, 2,537,165.34 and 1,390,907.14
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Solution
The fourth proportional to 1,683,863.08, 2,537,165.34 and 1,390,907.14 is: 2,095,753.17
Step by Step Solution
- Step 1: Write the proportion equation
1,683,863.08 : 2,537,165.34 = 1,390,907.14 : x - Step 2: Convert to fraction form
1,683,863.08/2,537,165.34 = 1,390,907.14/x - Step 3: Cross multiply
1,683,863.08x = 2,537,165.34 × 1,390,907.14 - Step 4: Simplify right side
1,683,863.08x = 3,528,961,386,766.53 - Step 5: Solve for x
x = 3,528,961,386,766.53/1,683,863.08 - Step 6: Final answer
x = 2,095,753.17
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.